Allowance for Loan Losses - Summary of Troubled Debt Restructurings (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013 Loan		Dec. 31, 2012 Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans			1
Subsequently defaulted number of loans	1		2
Construction Land And Land Development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	3	[1]
Pre-Modification Outstanding Recorded Investment	$ 196,257	[1]
Post-Modification Outstanding Recorded Investment	196,257	[1]
Residential First Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	1	[2]	2	[2]
Pre-Modification Outstanding Recorded Investment	206,505	[2]	987,861	[2]
Post-Modification Outstanding Recorded Investment	204,366	[2]	981,297	[2]
Residential Revolving and Junior Mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans			2	[3]
Pre-Modification Outstanding Recorded Investment			107,943	[3]
Post-Modification Outstanding Recorded Investment			107,434	[3]
Subsequently defaulted number of loans	1	[4]	1	[4]
Subsequently defaulted recorded investment	105,797	[4]	47,749	[4]
Commercial Mortgages Owner Occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	2	[5]	2	[5]
Pre-Modification Outstanding Recorded Investment	262,834	[5]	652,041	[5]
Post-Modification Outstanding Recorded Investment	262,834	[5]	652,041	[5]
Subsequently defaulted number of loans			1	[6]
Subsequently defaulted recorded investment			172,926	[6]
Consumer Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans	1	[2]	1	[2]
Pre-Modification Outstanding Recorded Investment	7,953	[2]	114,210	[2]
Post-Modification Outstanding Recorded Investment	$ 7,457	[2]	$ 73,978	[2]

[1] Modifications were an extention of the loan terms.

[2] Modifications were capitalization of the interest for 2013 and extentions of loan terms for 2012.

[3] Modifications were capitalization of the interest and extension of loan terms for 2012.

[4] Modifications were a capitalization of the interest for the 2013 default and extention of the loan terms for the 2012 default.

[5] Modifications were an extension of loan terms for 2013 and extension of loan terms and capitalization of the interest for 2012.

[6] Modification was an extention of the loan terms.